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| Patents Granted on 1815-10-21 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,392X | Oct. 21, 1815 | B. Meeker | Beef cutter | ||
| 2,393X | Oct. 21, 1815 | J. Hassell | Kilns for manufacturing earthenware | kilns | |
| 2,394X | Oct. 21, 1815 | C. Phillips, Jr. | Nail machine | nail making machines | |
| 2,395X | Oct. 21, 1815 | C. Phillips, Jr., W. Warring | Nail machine | nail making machines | |